DNS response history for u1.amazonaws.com

u1.amazonaws.com is a DNS nameserver monitored by NameServerHistory. This page provides historical DNS response-time data, nameserver uptime signals, DNS latency observations, resolved IP history, successful response counts, failed response counts, and reliability indicators for this nameserver.

The selected UTC date is 2026-08-18. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 170 ms average response time. Current selected-date status: At least one successful DNS response was recorded for the selected date.

  • Use this report to investigate historical DNS uptime and nameserver reliability.
  • Compare DNS latency changes, failed DNS checks, and response behavior over time.
  • Review the latest resolved IP address and raw DNS check history for u1.amazonaws.com.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

170 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.64.10

Most recently resolved hosting IP on selected date

Successful Responses

75

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for u1.amazonaws.com

Showing DNS history for 2026-08-18 UTC. Newest records appear first.

Latency bars are scaled to a maximum of 5000 ms for quick visual comparison.

# Query Time (UTC) Correlation ID Latency Response IP Address
75 2026-08-18 23:45 639226935204800669
2019 ms 156.154.64.10
74 2026-08-18 23:28 639226925298919497
49 ms 156.154.64.10
73 2026-08-18 23:12 639226915487885053
11 ms 156.154.64.10
72 2026-08-18 22:55 639226905465760034
5 ms 156.154.64.10
71 2026-08-18 22:39 639226895378104692
85 ms 156.154.64.10
70 2026-08-18 21:45 639226863374232622
19 ms 156.154.64.10
69 2026-08-18 21:29 639226853698516058
4 ms 156.154.64.10
68 2026-08-18 21:13 639226843797360601
11 ms 156.154.64.10
67 2026-08-18 20:56 639226834046588155
12 ms 156.154.64.10
66 2026-08-18 20:40 639226824234488533
27 ms 156.154.64.10
65 2026-08-18 20:24 639226814549928621
17 ms 156.154.64.10
64 2026-08-18 20:07 639226804721432353
14 ms 156.154.64.10
63 2026-08-18 19:51 639226795048828184
7 ms 156.154.64.10
62 2026-08-18 19:35 639226785202482420
12 ms 156.154.64.10
61 2026-08-18 19:18 639226775309362607
22 ms 156.154.64.10
60 2026-08-18 19:02 639226765406586155
154 ms 156.154.64.10
59 2026-08-18 18:45 639226755437790519
132 ms 156.154.64.10
58 2026-08-18 17:53 639226723856194457
4 ms 156.154.64.10
57 2026-08-18 17:36 639226714050583422
8 ms 156.154.64.10
56 2026-08-18 17:20 639226704236499724
15 ms 156.154.64.10
55 2026-08-18 17:03 639226694184520163
53 ms 156.154.64.10
54 2026-08-18 16:47 639226684161203477
10 ms 156.154.64.10
53 2026-08-18 16:30 639226674305430109
17 ms 156.154.64.10
52 2026-08-18 16:14 639226664489607984
19 ms 156.154.64.10
51 2026-08-18 15:57 639226654533111667
57 ms 156.154.64.10
50 2026-08-18 15:41 639226644778594725
42 ms 156.154.64.10
49 2026-08-18 15:25 639226634901553621
8 ms 156.154.64.10
48 2026-08-18 15:08 639226624921864967
2085 ms 156.154.64.10
47 2026-08-18 14:51 639226614939419403
70 ms 156.154.64.10
46 2026-08-18 13:58 639226583021074771
43 ms 156.154.64.10
45 2026-08-18 13:42 639226573279933585
35 ms 156.154.64.10
44 2026-08-18 13:25 639226563494036301
13 ms 156.154.64.10
43 2026-08-18 13:09 639226553708216256
44 ms 156.154.64.10
42 2026-08-18 12:53 639226544003734815
16 ms 156.154.64.10
41 2026-08-18 12:36 639226534105733155
39 ms 156.154.64.10
40 2026-08-18 12:20 639226524298118898
54 ms 156.154.64.10
39 2026-08-18 12:04 639226514525195335
5 ms 156.154.64.10
38 2026-08-18 11:48 639226504703635320
6 ms 156.154.64.10
37 2026-08-18 11:31 639226494737271720
22 ms 156.154.64.10
36 2026-08-18 11:15 639226485005027236
30 ms 156.154.64.10
35 2026-08-18 10:58 639226475133236105
77 ms 156.154.64.10
34 2026-08-18 10:05 639226442975077052
532 ms 156.154.64.10
33 2026-08-18 09:48 639226433317932039
17 ms 156.154.64.10
32 2026-08-18 09:32 639226423688431096
54 ms 156.154.64.10
31 2026-08-18 09:16 639226413998250045
20 ms 156.154.64.10
30 2026-08-18 09:00 639226404284554875
2038 ms 156.154.64.10
29 2026-08-18 08:44 639226394637043309
27 ms 156.154.64.10
28 2026-08-18 08:28 639226385052447582
5 ms 156.154.64.10
27 2026-08-18 08:12 639226375506189603
4 ms 156.154.64.10
26 2026-08-18 07:56 639226365690646426
2074 ms 156.154.64.10
25 2026-08-18 07:39 639226355771007701
31 ms 156.154.64.10
24 2026-08-18 07:23 639226345946269369
8 ms 156.154.64.10
23 2026-08-18 07:07 639226336241601848
2042 ms 156.154.64.10
22 2026-08-18 06:15 639226304950675290
52 ms 156.154.64.10
21 2026-08-18 05:59 639226295324754616
20 ms 156.154.64.10
20 2026-08-18 05:43 639226285824640601
8 ms 156.154.64.10
19 2026-08-18 05:27 639226276321223917
5 ms 156.154.64.10
18 2026-08-18 05:11 639226266800200046
15 ms 156.154.64.10
17 2026-08-18 04:55 639226256958066164
67 ms 156.154.64.10
16 2026-08-18 04:39 639226247432364597
64 ms 156.154.64.10
15 2026-08-18 04:22 639226237703388552
12 ms 156.154.64.10
14 2026-08-18 04:06 639226227937569589
35 ms 156.154.64.10
13 2026-08-18 03:50 639226218052465471
42 ms 156.154.64.10
12 2026-08-18 03:34 639226208429623997
34 ms 156.154.64.10
11 2026-08-18 03:18 639226198800675295
9 ms 156.154.64.10
10 2026-08-18 02:26 639226167722042574
31 ms 156.154.64.10
9 2026-08-18 02:10 639226158277924383
10 ms 156.154.64.10
8 2026-08-18 01:54 639226148757810592
30 ms 156.154.64.10
7 2026-08-18 01:39 639226139348611045
11 ms 156.154.64.10
6 2026-08-18 01:23 639226129823462907
28 ms 156.154.64.10
5 2026-08-18 01:07 639226120218260005
4 ms 156.154.64.10
4 2026-08-18 00:51 639226110875503904
5 ms 156.154.64.10
3 2026-08-18 00:35 639226101376311912
10 ms 156.154.64.10
2 2026-08-18 00:20 639226091924943492
49 ms 156.154.64.10
1 2026-08-18 00:03 639226082133158124
4 ms 156.154.64.10